Electrical installations of electric light, power, traction and industrial electrical machinery (1902)
Kennedy, Rankin, d. 1917 · Edinburgh T.C. & E.C. Jack · leaf 111
Fig. no … Fig. Ill Field Magnets Fie. Ill is a diasfram of a singrle bobbin single horse-shoe maofnet.Fig. 112 is a diagram of a double bobbin single horse-shoemagnet, called undertype in this position, andovertype when upside down. Fig. 113 is a double bobbin double horse-shoe magnet, and Fig. 114 a diagram…
Electrical engineering · Electric power
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